Answer: [tex]3x^2 + 2x -3[/tex]
Step-by-step explanation:
Remove parentheses.
[tex]3x^2 -2x + 4x -3[/tex]
Collect like terms.
[tex]3x^2 + (-2x + 4x ) -3[/tex]
Simplify.
[tex]3x^2 + 2x -3[/tex]
